Allied Nevada Reports Operating Results 

RENO, NV – Allied Nevada Gold Corp. reported preliminary operating results for the second quarter of 2011 for its wholly owned Hycroft mine, located near Winnemucca, Nevada. The mine produced 22,783 ounces of gold and 93,221 ounces of silver in the second quarter of 2011. Second quarter 2011 gold sales were as expected with 20,293 ounces while silver sales of 85,092 ounces at a total cash cost1 of approximately $465 per ounce. Gold production was as expected, while silver production exceeded expectations due to higher than planned grades mined.

As previously announced, production is expected to strengthen in the second half of 2011 as the effect of the increased mining rate and additional solution treatment capacity through the Merrill Crowe plant are expected to improve metal output. The mine reported no significant safety or environmental incidents in the second quarter of 2011. Implementation of the accelerated heap leach mining expansion plan is progressing well. Expansion of the Merrill-Crowe plant to increase solution processing capacity from 3,500 gpm to 5,000 gpm is expected to be completed and operating imminently. Construction of the new truck shop capable of servicing the larger mining equipment is on track to be completed by the end of 2011. To date, five of the 320-ton trucks and two hydraulic shovels are operating as part of the accelerated heap leach mining expansion. The Company reiterates its full-year 2011 production guidance of 115,000 – 125,000 ounces of gold at a total cash cost of $450-$490 per ounce. The company’s address is 9790 Gateway Drive, Suite 200, Reno, NV 89521, (775) 358-4455, fax: (775) 358 4458, email: [email protected].